Lunch talk

This is a talk given at lunch time, usually in the conference room at noon.

The History of Planet Formation with the SEAMSTRESS Survey

Friday, January 10, 2020 - 12:15pm to 1:00pm
Kaitlin Rasmussen (Notre Dame)

The Search for Exoplanets Around Metal-poor Stars with T(r)ESS (SEAMSTRESS) Survey seeks to answer the question: "When and how did planet formation begin in the Universe?" To achieve this, we have conducted a large-scale search for transits of metal-poor stars in TESS light curves and discovered

Physics of the Intergalactic Medium During Cosmological Reionization

Friday, September 11, 2020 - 2:00pm to 3:00pm
Anson D'Alosio (UC Riverside)

When the first galaxies formed, their starlight likely reionized and heated the nascent intergalactic medium.   I will discuss some of the rich physics of the intergalactic gas during this reionization process.  In the past few years, there has been significant progress towards understanding reio

[POSTPONED DUE TO COVID-19] Star-forming Clumps in Local Luminous Infrared Galaxies

Friday, March 13, 2020 - 12:15pm to 1:00pm
Kirsten Larson (Caltech)

Local luminous infrared galaxies (LIRGS) are a mixture of single disk galaxies, interacting systems, and advanced mergers, exhibiting enhanced star formation rates and AGN activity. This makes them an ideal laboratory of studying resolved star formation in the local Universe.

Observational Constraints on the Origin of the Galactic center S-stars

Friday, January 24, 2020 - 12:15pm to 1:00pm
Devin Chu (UCLA)

The formation mechanism of the young S-stars located within an arcsecond of the supermassive black hole remains a mystery. Proposed formation scenarios for these S-stars include the tidal disruption of a binary system and migration from the clockwise disk of young stars.

Placing the Solar System into the Galactic Exoplanet Census

Friday, January 17, 2020 - 12:15pm to 1:00pm
Songhu Wang (Yale)

While the exoplanetary field is replete with remarkable discoveries, perhaps the two most intriguing findings have been the startling abundance of super-Earths – a type of world entirely missing from our solar system, and the detection of hot Jupiters – giant planets orbiting perilously close to

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